'===========================================================================
' Subject: CONWAY'S GAME OF LIFE              Date: 08-02-98 (10:05)       
'  Author: John Wantland                      Code: QB, QBasic, PDS        
'  Origin: johnw@ectisp.net                 Packet: ALGOR.ABC
'===========================================================================
REM conway's game of life

CLS
WIDTH 80
DEFINT A-Z
RANDOMIZE TIMER

DIM b(25, 82)   'board
DIM c(25, 82)   'board

FOR x = 0 TO 82
FOR y = 0 TO 25

b(y, x) = 32
c(y, x) = 32

NEXT y
NEXT x

FOR x = 1 TO 80
FOR y = 1 TO 23

IF INT(RND * 5 + 1) = 3 THEN b(y, x) = 2: c(y, x) = 2 ELSE b(y, x) = 32: c(y, x) = 32
LOCATE y, x: PRINT CHR$(b(y, x))

NEXT y
NEXT x

DO

FOR x = 1 TO 80
FOR y = 1 TO 23

n = 0

IF c(y - 1, x) = 2 THEN n = n + 1
IF c(y - 1, x - 1) = 2 THEN n = n + 1
IF c(y, x - 1) = 2 THEN n = n + 1
IF c(y + 1, x - 1) = 2 THEN n = n + 1
IF c(y + 1, x) = 2 THEN n = n + 1
IF c(y + 1, x + 1) = 2 THEN n = n + 1
IF c(y, x + 1) = 2 THEN n = n + 1
IF c(y - 1, x + 1) = 2 THEN n = n + 1

IF n < 2 OR n > 3 THEN b(y, x) = 32
IF n = 3 THEN b(y, x) = 2

IF INKEY$ <> "" THEN CLS : END

NEXT y
NEXT x

FOR x = 1 TO 80
FOR y = 1 TO 23

LOCATE y, x: PRINT CHR$(b(y, x))
c(y, x) = b(y, x)

IF INKEY$ <> "" THEN CLS : END

NEXT y
NEXT x

IF INKEY$ <> "" THEN CLS : END

LOOP